Check the listing for details. 30 24x36 LARGE EcoSwift White Poly Mailers Shipping Envelopes Self Sealing Bags. Condition: New. Listed at 21.99 USD. ... 30 Self-Sealing Poly Mailers Highest Quality and Value #10 (24" x 36") Product Specifications: Size: #10Thickness: 2.35 mil Dimensions: 24" x 36" Quantity: 30 Pieces Additional Details: Self-sealing, peel and stick, adhesive keeps contents secure and tamper proof Extremely lightweight material helps save on postage Silver lining inside keeps contents hidden from view High strength seams for maximum protection Superior tear and puncture resistance Surface easily accepts ink, stamps, and labels Approved for USPS, FedEx, UPS, and DHL Retail Price: $64 Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.... 30 Self-Sealing Poly Mailers Highest Quality and Value #10 (24" x 36") Product Specifications: Size: #10Thickness: 2.35 mil Dimensions: 24" x 36" Quantity: 30 Pieces Additional Details: Self-sealing, peel and stick, adhesive keeps contents secure and tamper proof Extremely lightweight material helps save on postage Silver lining inside keeps contents hidden from view High strength seams for maximum protection Superior tear and puncture resistance Surface easily accepts ink, stamps, and labels Approved for USPS, FedEx, UPS, and DHL Retail Price: $64 Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.